1263725 has 6 divisors (see below), whose sum is σ = 1567050. Its totient is φ = 1010960.

The previous prime is 1263701. The next prime is 1263751. The reversal of 1263725 is 5273621.

It can be written as a sum of positive squares in 3 ways, for example, as 188356 + 1075369 = 434^2 + 1037^2 .

It is not a de Polignac number, because 1263725 - 2¹⁶ = 1198189 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1263694 and 1263703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25250 + ... + 25299.

It is an arithmetic number, because the mean of its divisors is an integer number (261175).

2^1263725 is an apocalyptic number.

It is an amenable number.

1263725 is a deficient number, since it is larger than the sum of its proper divisors (303325).

1263725 is an equidigital number, since it uses as much as digits as its factorization.

1263725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50559 (or 50554 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 1263725 is about 1124.1552383901. The cubic root of 1263725 is about 108.1145617910.

The spelling of 1263725 in words is "one million, two hundred sixty-three thousand, seven hundred twenty-five".